void main() {
  int a = 5;
  int b = 3;

  print(a == b);
  print(a != b);

  print(a > b);
  print(a < b);

  print(a >= b);
  print(a <= b);

  String strA="123";
  String staB="321";
  String strC="123";
  print(strA==staB);
  print(strA==strC);
}
